GARANT Master Steel FEED solid carbide drill, plain shank DIN 6535 HB, TiAlN, ⌀ DC h7 (mm or inch): 8,7

Article no.: 122436 8,7
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⌀ DC h7 (mm or inch) Unit price incl. VAT
  • Tool material: solid carbide
  • Standard: DIN 6537 K
  • Version: 4×D
  • Tolerance nominal ⌀: h7
  • Number of cutting edges Z: 3

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Product details

Technical Data

Series Master Steel
Nominal ⌀ DC 8.7 mm
Coating TiAlN
Tool material solid carbide
Standard DIN 6537 K
Version 4×D
Tolerance nominal ⌀ h7
Number of cutting edges Z 3
Point angle 145 degrees
recommended maximum drilling depth L2 34 mm
Shank DIN 6535 HB to h6
Through-coolant Yes, with 25 bar
Machining strategy HPC
Semi-Standard yes
Flute length Lc 47 mm
Overall length L 89 mm
Shank ⌀ Ds 10 mm
Feed f in steel < 1100 N/mm2 0.44 mm/rev.
Colour ring green
Type of product Jobber drill

Identification numbers & Classifications

Article number 122436 8,7
EAN / GTIN 4045197792921
Manufacturer number 122436 8,7

Application Table

Steel < 500 N/mm²
P
160
Steel < 750 N/mm²
P
140
Steel < 900 N/mm²
P
130
Steel < 1100 N/mm²
P
110
Steel < 1400 N/mm²
P
90
Steel < 55 HRC
H
60
INOX < 900 N/mm²
M
60
INOX > 900 N/mm²
M
50
Ti > 850 N/mm²
S
40
GG
K
130
GGG
K
80
Uni
 
wet maximum
 
wet minimum
 

Description

Version:

3-flute drill, specially developed for use at very high feed rates. Outstandingly suitable for machines with high installed power and stable machining conditions.
  • Special cutter geometry with stable cutting edges and large clearance at the centre enables very high feed rates.
  • The patented tip is optimised for chip flow and generates low cutting pressure with good chip breakage.
  • With a 145° point angle for low burrs on emerging from through holes.

The sector-leading technology of the chisel point guarantees optimum self-centring behaviour and permits spot drilling on irregular surfaces. 3 guide chamfers guarantee a stable exit from the hole and an exact roundness of the hole.

Note:

Flute length LC = L2 + 1.5 × DC.

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